Alert archive / Florida / Tornado Warnings in 2021

Tornado Warning 5, NWS Tampa Bay, FL

July 7, 2021Hernando County, Pasco County, Sumter County, Florida

NWS Tampa Bay, FL issued this tornado warning at Jul 7, 2021, 1:10 AM EDT for Hernando County, Pasco County, Sumter County, Florida. It was in force for 20 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 7, 2021, 1:10 AM EDT (05:10 UTC)
Expired
Jul 7, 2021, 1:30 AM EDT
In force
20 min
Issued by
NWS Tampa Bay, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Hernando County, FL, Pasco County, FL, Sumter County, FL

The radar

The Tampa radar (KTBW), 79 km from the middle of the area, began a volume at 05:10 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 6, 10:37 PM EDTTornado WatchSPC9 hr

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 00:00Z, 5.2 hours before the alert went out and 79 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Tampa Bay, FL at 00:00Z on 2021-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 46 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 00:00Z on 2021-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
46 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
1020 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
266 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

763 
WFUS52 KTBW 070510
TORTBW
FLC053-101-119-070530-
/O.NEW.KTBW.TO.W.0005.210707T0510Z-210707T0530Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tampa Bay Area Ruskin FL
110 AM EDT Wed Jul 7 2021

The National Weather Service in Ruskin has issued a

* Tornado Warning for...
  Southern Sumter County in central Florida...
  Northeastern Pasco County in west central Florida...
  Southeastern Hernando County in west central Florida...

* Until 130 AM EDT.
    
* At 110 AM EDT, a severe thunderstorm capable of producing a tornado
  was located near Dade City, moving north at 40 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This tornadic thunderstorm will remain over mainly rural areas of
  southern Sumter, northeastern Pasco and southeastern Hernando
  Counties, including the following locations... Ridge Manor, Spring
  Lake, Dade City North, Lacoochee, Richland and Blanton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 2830 8207 2825 8220 2851 8233 2855 8208
TIME...MOT...LOC 0510Z 166DEG 33KT 2837 8213 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

TBW
1 follow-up statement
691 
WWUS52 KTBW 070529
SVSTBW

Severe Weather Statement
National Weather Service Tampa Bay Area Ruskin FL
129 AM EDT Wed Jul 7 2021

FLC053-101-119-070539-
/O.EXP.KTBW.TO.W.0005.000000T0000Z-210707T0530Z/
Sumter FL-Pasco FL-Hernando FL-
129 AM EDT Wed Jul 7 2021

...THE TORNADO WARNING FOR SOUTHERN SUMTER...NORTHEASTERN PASCO AND
SOUTHEASTERN HERNANDO COUNTIES WILL EXPIRE AT 130 AM EDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

A Tornado Watch remains in effect until 800 AM EDT for central and
west central Florida.

LAT...LON 2830 8207 2825 8220 2851 8233 2855 8208
TIME...MOT...LOC 0529Z 166DEG 33KT 2852 8217 

$$

TBW

The office that day

Everything else NWS Tampa Bay, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 6, 10:51 PM EDTAreal Flood AdvisoryTBWCharlotte, Sarasota3 hr
Jul 7, 1:01 AM EDTAreal Flood AdvisoryTBWManatee, Sarasota38 min
Jul 7, 1:35 AM EDTAreal Flood WarningTBWManatee, Sarasota13 hr
Jul 7, 2:08 AM EDTTornado WarningTBWDeSoto, Manatee, Sarasota22 min
Jul 7, 3:51 AM EDTTornado WarningTBWHardee24 min
Jul 7, 6:16 AM EDTAreal Flood WarningTBWCharlotte, DeSoto, Hardee9 hr
Jul 7, 6:24 AM EDTAreal Flood WarningTBWLee9 hr
Jul 7, 8:27 AM EDTRiver Flood WarningTBWManatee33 hr
Jul 7, 9:24 AM EDTRiver Flood WarningTBWDeSoto5 days
Jul 7, 9:25 AM EDTRiver Flood WarningTBWHardee29 hr
Jul 7, 9:26 AM EDTRiver Flood WarningTBWHillsborough60 hr
Jul 7, 9:27 AM EDTRiver Flood WarningTBWManatee58 hr
Jul 7, 11:25 AM EDTRip Current StatementTBWCharlotte, Lee, Manatee, Pinellas, Sarasota9 hr
Jul 7, 11:25 AM EDTHigh Surf AdvisoryTBWCharlotte, Lee, Manatee, Pinellas, Sarasota9 hr
Jul 7, 11:28 AM EDTSmall Craft AdvisoryTBW12 hr
Jul 7, 11:37 AM EDTRiver Flood WarningTBWManatee57 hr
Jul 7, 12:04 PM EDTAreal Flood WarningTBWCitrus, Hernando, Pasco3 hr
Jul 7, 2:10 PM EDTCoastal Flood AdvisoryTBWCitrus, Hernando, Levy9 hr

Nearby

Tornado Warnings in Florida, 2021Every tornado warning in 2021Tornadoes in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.